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Miniupnpc CVE-2015-6031

MEDIUM
Buffer Overflow (CWE-119)
2015-11-02 cret@cert.org
6.8
CVSS 2.0 · NVD
View

Vulnerability Assessment

Weakness
CWE
ASVS 5.0
V15 - Secure Coding and Architecture Bounds checking, buffer size validation
MITRE ATT&CK

2 techniques across 2 tactics: Execution, Privilege Escalation

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 6.8 (MEDIUM). Attack characteristics: network attack vector, M complexity. Public proof-of-concept exploit code is available. EPSS exploitation probability: 2.80%.

Exploit ScenarioDerived

A remote attacker could corrupt memory to execute arbitrary code or crash the application by sending crafted requests to the affected application.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 2.8% exploitation probability (EPSS)

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AnalysisAI

Buffer overflow in the IGDstartelt function in igd_desc_parse.c in the MiniUPnP client (aka MiniUPnPc) before 1.9.20150917 allows remote UPNP servers to cause a denial of service (application crash). Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable. Public exploit code available and no vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use memory-safe languages or bounds-checking. Enable ASLR, DEP/NX, stack canaries. Use safe string functions.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as Buffer Overflow (CWE-119), which allows attackers to corrupt memory to execute arbitrary code or crash the application. Buffer overflow in the IGDstartelt function in igd_desc_parse.c in the MiniUPnP client (aka MiniUPnPc) before 1.9.20150917 allows remote UPNP servers to cause a denial of service (application crash) and possibly execute arbitrary code via an "oversized" XML element name. Affected products include: Miniupnp Project Miniupnpc, Debian Debian Linux, Canonical Ubuntu Linux, Opensuse Leap, Opensuse. Version information: before 1.9.20150917.

Severity by source

NVD PRIMARY 6.8 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
M
Confidentiality
P
Integrity
P
Availability
P

DescriptionCVE.org

Buffer overflow in the IGDstartelt function in igd_desc_parse.c in the MiniUPnP client (aka MiniUPnPc) before 1.9.20150917 allows remote UPNP servers to cause a denial of service (application crash) and possibly execute arbitrary code via an "oversized" XML element name.

Threat Intelligence Overview

EPSS Score
2.8%
Top 14% exploitable
Exploit
POC
Public exploit code exists
Data Quality
4 sources
Confidence: Medium

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC Yes
EPSS 2.8%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
Poc
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

57
Low Medium High Critical
KEV: 0
EPSS: +3
CVSS: +34
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

A buffer overflow occurs when a program writes more data to a memory buffer than it was allocated to hold, causing the excess data to spill into adjacent memory regions.

Remote Code Execution represents the critical moment when an attacker successfully runs arbitrary code on a target system without physical access.

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

Affected Products (CPE)CVE.org

cpe:2.3:a:miniupnp_project:miniupnpc:*:*:*:*:*:*:*:*
cpe:2.3:a:miniupnp_project:miniupnpc:1.9:2014-02-03:*:*:*:*:*:*
cpe:2.3:a:miniupnp_project:miniupnpc:1.9:2014-02-05:*:*:*:*:*:*
cpe:2.3:a:miniupnp_project:miniupnpc:1.9:2014-05-15:*:*:*:*:*:*
cpe:2.3:a:miniupnp_project:miniupnpc:1.9:2014-06-10:*:*:*:*:*:*
cpe:2.3:a:miniupnp_project:miniupnpc:1.9:2014-07-01:*:*:*:*:*:*
cpe:2.3:a:miniupnp_project:miniupnpc:1.9:2014-09-06:*:*:*:*:*:*
cpe:2.3:a:miniupnp_project:miniupnpc:1.9:2014-09-11:*:*:*:*:*:*
cpe:2.3:a:miniupnp_project:miniupnpc:1.9:2014-11-05:*:*:*:*:*:*
cpe:2.3:a:miniupnp_project:miniupnpc:1.9:2014-11-13:*:*:*:*:*:*
cpe:2.3:a:miniupnp_project:miniupnpc:1.9:2014-11-17:*:*:*:*:*:*
cpe:2.3:a:miniupnp_project:miniupnpc:1.9:2015-04-27:*:*:*:*:*:*
cpe:2.3:a:miniupnp_project:miniupnpc:1.9:2015-04-30:*:*:*:*:*:*
cpe:2.3:a:miniupnp_project:miniupnpc:1.9:2015-05-22:*:*:*:*:*:*
cpe:2.3:a:miniupnp_project:miniupnpc:1.9:2015-06-16:*:*:*:*:*:*
cpe:2.3:a:miniupnp_project:miniupnpc:1.9:2015-07-15:*:*:*:*:*:*
cpe:2.3:a:miniupnp_project:miniupnpc:1.9:2015-07-22:*:*:*:*:*:*
cpe:2.3:a:miniupnp_project:miniupnpc:1.9:2015-07-23:*:*:*:*:*:*
cpe:2.3:a:miniupnp_project:miniupnpc:1.9:2015-08-16:*:*:*:*:*:*
cpe:2.3:a:miniupnp_project:miniupnpc:1.9:2015-08-27:*:*:*:*:*:*
+ 10 more

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